351123641049 has 16 divisors (see below), whose sum is σ = 498913892352. Its totient is φ = 219140993808.

The previous prime is 351123641023. The next prime is 351123641101. The reversal of 351123641049 is 940146321153.

It is not a de Polignac number, because 351123641049 - 2⁵ = 351123641017 is a prime.

It is a super-2 number, since 2×351123641049² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 351123640998 and 351123641016.

It is not an unprimeable number, because it can be changed into a prime (351123643049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54132379 + ... + 54138864.

It is an arithmetic number, because the mean of its divisors is an integer number (31182118272).

Almost surely, 2^351123641049 is an apocalyptic number.

It is an amenable number.

351123641049 is a deficient number, since it is larger than the sum of its proper divisors (147790251303).

351123641049 is a wasteful number, since it uses less digits than its factorization.

351123641049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108271316.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 351123641049 in words is "three hundred fifty-one billion, one hundred twenty-three million, six hundred forty-one thousand, forty-nine".