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3494937631 is a prime number
BaseRepresentation
bin1101000001010000…
…1000010000011111
3100000120100020010111
43100110020100133
524124201001011
61334444350451
7152415323353
oct32024102037
910016306114
103494937631
11153388a409
12816545427
134390b6343
14252241463
15156c5c121
hexd050841f

3494937631 has 2 divisors, whose sum is σ = 3494937632. Its totient is φ = 3494937630.

The previous prime is 3494937559. The next prime is 3494937659. The reversal of 3494937631 is 1367394943.

It is a strong prime.

It is an emirp because it is prime and its reverse (1367394943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3494937631 - 219 = 3494413343 is a prime.

It is a super-2 number, since 2×34949376312 = 24429178089159784322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3494937671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1747468815 + 1747468816.

It is an arithmetic number, because the mean of its divisors is an integer number (1747468816).

Almost surely, 23494937631 is an apocalyptic number.

3494937631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3494937631 is an equidigital number, since it uses as much as digits as its factorization.

3494937631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 49.

The square root of 3494937631 is about 59117.9975219053. The cubic root of 3494937631 is about 1517.5621168280.

The spelling of 3494937631 in words is "three billion, four hundred ninety-four million, nine hundred thirty-seven thousand, six hundred thirty-one".