4354444537 has 2 divisors, whose sum is σ = 4354444538. Its totient is φ = 4354444536.

The previous prime is 4354444519. The next prime is 4354444603. The reversal of 4354444537 is 7354444534.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4242698496 + 111746041 = 65136^2 + 10571^2 .

It is a cyclic number.

It is not a de Polignac number, because 4354444537 - 2¹⁵ = 4354411769 is a prime.

It is a super-2 number, since 2×4354444537² = 37922374451618288738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4354444493 and 4354444502.

It is not a weakly prime, because it can be changed into another prime (4354444517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2177222268 + 2177222269.

It is an arithmetic number, because the mean of its divisors is an integer number (2177222269).

Almost surely, 2^4354444537 is an apocalyptic number.

It is an amenable number.

4354444537 is a deficient number, since it is larger than the sum of its proper divisors (1).

4354444537 is an equidigital number, since it uses as much as digits as its factorization.

4354444537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612800, while the sum is 43.

The square root of 4354444537 is about 65988.2151372501. The cubic root of 4354444537 is about 1632.9676746308.

The spelling of 4354444537 in words is "four billion, three hundred fifty-four million, four hundred forty-four thousand, five hundred thirty-seven".