4591257099 has 64 divisors (see below), whose sum is σ = 7659671040. Its totient is φ = 2403256320.

The previous prime is 4591257053. The next prime is 4591257101. The reversal of 4591257099 is 9907521954.

It is not a de Polignac number, because 4591257099 - 2¹¹ = 4591255051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (4591257029) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1303689 + ... + 1307205.

It is an arithmetic number, because the mean of its divisors is an integer number (119682360).

Almost surely, 2^4591257099 is an apocalyptic number.

4591257099 is a deficient number, since it is larger than the sum of its proper divisors (3068413941).

4591257099 is a wasteful number, since it uses less digits than its factorization.

4591257099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740.

The product of its (nonzero) digits is 1020600, while the sum is 51.

The square root of 4591257099 is about 67758.8156552341. The cubic root of 4591257099 is about 1662.0491821069.

It can be divided in two parts, 459 and 1257099, that multiplied together give a square (577008441 = 24021²).

The spelling of 4591257099 in words is "four billion, five hundred ninety-one million, two hundred fifty-seven thousand, ninety-nine".