734991685938049 has 16 divisors (see below), whose sum is σ = 741387477219840. Its totient is φ = 728607999674880.

The previous prime is 734991685937987. The next prime is 734991685938061. The reversal of 734991685938049 is 940839586199437.

It is a cyclic number.

It is not a de Polignac number, because 734991685938049 - 2⁷ = 734991685937921 is a prime.

It is a super-2 number, since 2×734991685938049² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (734991685938089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 924594097 + ... + 925388689.

It is an arithmetic number, because the mean of its divisors is an integer number (46336717326240).

Almost surely, 2^{734991685938049} is an apocalyptic number.

It is an amenable number.

734991685938049 is a deficient number, since it is larger than the sum of its proper divisors (6395791281791).

734991685938049 is a wasteful number, since it uses less digits than its factorization.

734991685938049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802200.

The product of its (nonzero) digits is 12697896960, while the sum is 85.

The spelling of 734991685938049 in words is "seven hundred thirty-four trillion, nine hundred ninety-one billion, six hundred eighty-five million, nine hundred thirty-eight thousand, forty-nine".