745121009354 has 8 divisors (see below), whose sum is σ = 1136004161988. Its totient is φ = 366452955360.

The previous prime is 745121009287. The next prime is 745121009363. The reversal of 745121009354 is 453900121547.

It can be written as a sum of positive squares in 2 ways, for example, as 664751594329 + 80369415025 = 815323^2 + 283495^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3053774507 + ... + 3053774750.

Almost surely, 2^745121009354 is an apocalyptic number.

745121009354 is a deficient number, since it is larger than the sum of its proper divisors (390883152634).

745121009354 is a wasteful number, since it uses less digits than its factorization.

745121009354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107549320.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 745121009354 in words is "seven hundred forty-five billion, one hundred twenty-one million, nine thousand, three hundred fifty-four".