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38994491769031 is a prime number
BaseRepresentation
bin10001101110111000111001…
…10101001000000011000111
312010001211121011210110110001
420313130130311020003013
520102341204343102111
6214533453333142131
711133154600102201
oct1067343465100307
9163054534713401
1038994491769031
1111474520023787
12445948848a947
13189b21b095976
1498b4b46b5771
15479509b0c1c1
hex23771cd480c7

38994491769031 has 2 divisors, whose sum is σ = 38994491769032. Its totient is φ = 38994491769030.

The previous prime is 38994491769011. The next prime is 38994491769043. The reversal of 38994491769031 is 13096719449983.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38994491769031 is a prime.

It is a super-2 number, since 2×389944917690312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38994491769011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19497245884515 + 19497245884516.

It is an arithmetic number, because the mean of its divisors is an integer number (19497245884516).

Almost surely, 238994491769031 is an apocalyptic number.

38994491769031 is a deficient number, since it is larger than the sum of its proper divisors (1).

38994491769031 is an equidigital number, since it uses as much as digits as its factorization.

38994491769031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317447424, while the sum is 73.

The spelling of 38994491769031 in words is "thirty-eight trillion, nine hundred ninety-four billion, four hundred ninety-one million, seven hundred sixty-nine thousand, thirty-one".