537490652749 has 4 divisors (see below), whose sum is σ = 538058225664. Its totient is φ = 536923079836.

The previous prime is 537490652707. The next prime is 537490652807. The reversal of 537490652749 is 947256094735.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 947256094735 = 5 ⋅189451218947.

It is a cyclic number.

It is not a de Polignac number, because 537490652749 - 2¹⁷ = 537490521677 is a prime.

It is a super-2 number, since 2×537490652749² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537490652449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283785037 + ... + 283786930.

It is an arithmetic number, because the mean of its divisors is an integer number (134514556416).

Almost surely, 2^537490652749 is an apocalyptic number.

It is an amenable number.

537490652749 is a deficient number, since it is larger than the sum of its proper divisors (567572915).

537490652749 is an equidigital number, since it uses as much as digits as its factorization.

537490652749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567572914.

The product of its (nonzero) digits is 57153600, while the sum is 61.

The spelling of 537490652749 in words is "five hundred thirty-seven billion, four hundred ninety million, six hundred fifty-two thousand, seven hundred forty-nine".