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49001863693 is a prime number
BaseRepresentation
bin101101101000101111…
…010001101000001101
311200111000122121000111
4231220233101220031
51300323434114233
634302224000021
73353211653236
oct555057215015
9150430577014
1049001863693
1119866302512
1295b6760011
13480c035c23
14252bd4a08d
15141be30acd
hexb68bd1a0d

49001863693 has 2 divisors, whose sum is σ = 49001863694. Its totient is φ = 49001863692.

The previous prime is 49001863663. The next prime is 49001863727. The reversal of 49001863693 is 39636810094.

49001863693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43997999049 + 5003864644 = 209757^2 + 70738^2 .

It is a cyclic number.

It is not a de Polignac number, because 49001863693 - 29 = 49001863181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49001863613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24500931846 + 24500931847.

It is an arithmetic number, because the mean of its divisors is an integer number (24500931847).

Almost surely, 249001863693 is an apocalyptic number.

It is an amenable number.

49001863693 is a deficient number, since it is larger than the sum of its proper divisors (1).

49001863693 is an equidigital number, since it uses as much as digits as its factorization.

49001863693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 49001863693 in words is "forty-nine billion, one million, eight hundred sixty-three thousand, six hundred ninety-three".